C语言编程题用键盘输入10个学生的成绩 求出他们的平均成绩

#include<stdio.h>void main(){int i,a[10],sum=0;float avg;printf("please input 10 numbers. ");for(i = 0;i < 10;i++){scanf("%d",&a[i]);sum+=a[i];}avg=sum*1.0/10;printf("平均成绩为：%.1f ",avg);}